Seiko Cal. 7177 - 931

Seiko 7177-931

This Spring Drive model from 1986 features a 38mm Hardlex-Coated Steel case. Powered by the 7177 caliber with 29j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-973f66b57180]

Also known as: Silverwave

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
180m
Dial Color
Burgundy
Jewels
29j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1986

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seikata-wm-973f66b57180